Teach your students about the economic, political, and social issues associated with urbanization, like urban decay, squatter settlements, and the informal economy, with this no-prep AP Human Geography unit 6 lesson. It includes an urban challenges presentation slideshow, student notetaker, and a research and debate assignment about gentrification. All materials are editable and can be printed or used digitally, either in class or for homework and independent study. [updated 2025] IncludesSocial